Base | Representation |
---|---|
bin | 111100000000101… |
… | …1011110100011100 |
3 | 12012100000121112210 |
4 | 1320001123310130 |
5 | 13110443021022 |
6 | 531451200420 |
7 | 100620450264 |
oct | 17001336434 |
9 | 5170017483 |
10 | 2013642012 |
11 | 943715058 |
12 | 482446110 |
13 | 261242865 |
14 | 15160a7a4 |
15 | bbba9a0c |
hex | 7805bd1c |
2013642012 has 48 divisors (see below), whose sum is σ = 4857450752. Its totient is φ = 648829440.
The previous prime is 2013641957. The next prime is 2013642013. The reversal of 2013642012 is 2102463102.
It is a self number, because there is not a number n which added to its sum of digits gives 2013642012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2013642013) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29937 + ... + 70167.
Almost surely, 22013642012 is an apocalyptic number.
It is an amenable number.
2013642012 is an abundant number, since it is smaller than the sum of its proper divisors (2843808740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2013642012 is a wasteful number, since it uses less digits than its factorization.
2013642012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40378 (or 40376 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 21.
The square root of 2013642012 is about 44873.6226752421. The cubic root of 2013642012 is about 1262.7792042294.
The spelling of 2013642012 in words is "two billion, thirteen million, six hundred forty-two thousand, twelve".
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